CN201555613U - Air quantity detector with double equalized static pressure rings - Google Patents
Air quantity detector with double equalized static pressure rings Download PDFInfo
- Publication number
- CN201555613U CN201555613U CN2009202552595U CN200920255259U CN201555613U CN 201555613 U CN201555613 U CN 201555613U CN 2009202552595 U CN2009202552595 U CN 2009202552595U CN 200920255259 U CN200920255259 U CN 200920255259U CN 201555613 U CN201555613 U CN 201555613U
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- static pressure
- equal static
- pressure ring
- air quantity
- equalized
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Abstract
The utility model relates to an air quantity detector with double equalized static pressure rings. The air quantity detector with the double equalized static pressure rings mainly comprises the double equalized static pressure rings and data acquisition and processing parts. The double equalized static pressure rings are arranged at different positions of a main ventilator enclosure so as to generate an equalized static pressure difference; a differential pressure transmitter acquires the static pressure difference of a ventilator in real time; a programmable control system receives static pressure difference signals and performs calculation; and the calculated air quantity parameters can be displayed by a display in place, and also can be uploaded to a superior monitoring system through a data output device. The detector can realize accurate on-line monitoring of magnitude and change condition of total air quantity of a mine, comprehensively and dynamically master the operation condition of the ventilator, and has practical significance for adjusting the operation condition of the ventilator as required, optimizing a ventilation system of the mine, realizing reasonable match of the operation of the ventilator and an underground air net, realizing energy conservation and consumption reduction of the mine, ensuring safe production of the mine and the like.
Description
Technical field
The utility model relates to a kind of air quantity detector, specifically a kind of two all static pressure ring air quantity detectors that are applicable to colliery and non-coal mine.
Background technology
At present, the measurement of known mine blast volume, fails to be well solved as overall conditions is abominable, the wind cave is difficult to enter, the wind table detects the loaded down with trivial details and artificial parallax reading error and the time difference etc. owing to be subjected to all multifactor restrictions for many years.
Summary of the invention
In order to solve the problem that existing air quantity detector in use occurs, the utility model provides a kind of two all static pressure ring air quantity detectors, and this detector can be widely used, measuring accuracy height, on-the-spot easy for installation.
The technical scheme that its technical matters that solves the utility model adopts is: this equal static pressure ring mainly is made up of equal static pressure outer shroud, equal static pressure outlet, threeway, fan casing, force pipe, ponding outlet and U type water column meter; This equal static pressure ring has the fan casing of a circle, the equally spaced force pipe that four tubulars are installed on the fan casing, the every force pipe other end fixedly is connected the middle part of a threeway, four threeway two ends are connected to form an annular by pipeline, the equal static pressure outlet of tubulose is installed at the top of equal static pressure ring, the ponding outlet of tubulose is installed in the bottom of equal static pressure ring, and the ponding outlet is connected with the U type water column meter of having adorned water.During use, all the static pressure outlet links to each other with differential pressure transmitter, under the effect of gravity the ponding in the equal static pressure outer shroud is drawn by the ponding outlet, simultaneously in the water seal gas in the U type water column, guarantees that this place is air tight.
This pair all static pressure ring air quantity detector is installed in two equal static pressure outer shrouds on the fan casing respectively, the cross-sectional area of the equal static pressure ring of 1# installation site will be far longer than the cross-sectional area of the equal static pressure ring of 2# installation site, the equal static pressure outer shroud of the equal static pressure ring of 1# installation site is connected ball valve is received differential pressure transmitter by force pipe "+" end valve, the equal static pressure outer shroud of the equal static pressure ring of 2# installation site is connected ball valve is received differential pressure transmitter by force pipe "-" end valve, output "-" end of differential pressure transmitter is electrically connected " RA " of Programmable Logic Controller, " A+ " end, output "+" end is electrically connected "+" end of Switching Power Supply, the M end of Programmable Logic Controller is electrically connected "-" end of Switching Power Supply, " L-" end of data output device is electrically connected "-" end of Switching Power Supply, " L+ " end is electrically connected "+" end of Switching Power Supply, display respectively with "+" of Switching Power Supply, "-" end is electrically connected, be electrically connected with Programmable Logic Controller by 232 buses.In system when operation,, the result that Programmable Logic Controller calculates shows the real-time air quantity of blower fan at the scene by display, realizes communication by 232 buses between Programmable Logic Controller and the display; The air quantity parameter that Programmable Logic Controller calculates can be uploaded to higher level's supervisory system by data output device.
The beneficial effects of the utility model are, this instrument can be realized the size and the situation of change of on-line monitoring overall ventilation of mines accurately, dynamically grasp the operating condition of ventilation blower comprehensively, regulate as required, mine ventilation system optimization, realize that fan operation and down-hole wind net rationally mate and mine safety production etc. is saved energy and reduce the cost, guaranteed to mine for fan condition, all have important practical significance.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is an equal static pressure ring structure principle schematic of the present utility model.
Fig. 2 is that two all static pressure ring installation sites of the present utility model and two all wiring of static pressure ring air quantity detector concern synoptic diagram.
In the drawings, 1. all static pressure outer shroud, 2. all static pressure outlet, 3. threeways, 4. fan casing, 5. force pipe, 6. ponding outlet, 7.U type water column meter, 8.1# equal static pressure ring installation sites, the equal static pressure ring of 9.2# installation site, 10. ball valve, 11. axial fan hubs, 12. draught fan impeller, 13. blower motors, 14. fan casings, 15. data output device, 16. Programmable Logic Controllers, 17. displays, 18.232 bus, 19. Switching Power Supplies, 20. differential pressure transmitters.
Embodiment
In Fig. 1, this equal static pressure ring mainly is made up of equal static pressure outer shroud 1, equal static pressure outlet 2, threeway 3, fan casing 4, force pipe 5, ponding outlet 6 and U type water column meter; This equal static pressure ring has the fan casing 4 of a circle, the equally spaced force pipe 5 that four tubulars are installed on the fan casing 4, every force pipe 5 other ends fixedly are connected the middle part of a threeway 3, four threeway 3 two ends are connected to form an annular by pipeline, the equal static pressure outlet 2 of tubulose is installed at the top of equal static pressure ring, the ponding outlet 6 of tubulose is installed in the bottom of equal static pressure ring, and ponding outlet 6 is connected with the U type water column meter 7 of having adorned water.During use, all static pressure outlet 2 links to each other with differential pressure transmitter 20, under the effect of gravity the ponding in the equal static pressure outer shroud 1 is drawn by ponding outlet 6, simultaneously in the water seal gas in the U type water column, guarantees that this place is air tight.
In Fig. 2, two equal static pressure outer shrouds 1 are installed in respectively on the fan casing 14, the cross-sectional area of the equal static pressure ring of 1# installation site 8 will be far longer than the cross-sectional area of the equal static pressure ring of 2# installation site 9, the equal static pressure outer shroud 1 of the equal static pressure ring of 1# installation site 8 is connected ball valve 10 is received differential pressure transmitter 20 by force pipe 5 "+" end valve, the equal static pressure outer shroud 1 of the equal static pressure ring of 2# installation site 9 is connected ball valve 10 is received differential pressure transmitter 20 by force pipe 5 "-" end valve, output "-" end of differential pressure transmitter 20 is electrically connected " RA " of Programmable Logic Controller 16, " A+ " end, output "+" end is electrically connected "+" end of Switching Power Supply 19, the M end of Programmable Logic Controller 16 is electrically connected "-" end of Switching Power Supply 19, " L-" end of data output device 15 is electrically connected "-" end of Switching Power Supply 19, " L+ " end is electrically connected "+" end of Switching Power Supply 19, display 17 respectively with "+" of Switching Power Supply 19, "-" end is electrically connected, be electrically connected with Programmable Logic Controller 16 by 232 buses 18.In system when operation,, the result that Programmable Logic Controller 16 calculates shows the real-time air quantity of blower fan at the scene by display 17, realizes communication by 232 buses 18 between Programmable Logic Controller 16 and the display 17; The air quantity parameter that Programmable Logic Controller 16 calculates can be uploaded to higher level's supervisory system by data output device 15.
The model of described data output device 15 is LM3320; The model of described Programmable Logic Controller 16 is LM3107E; The model of described display 17 is HD2400L; The model of the Switching Power Supply of being told 19 is S-15-24; The model of described differential pressure transmitter 20 is JYB-DW-A2.
Claims (2)
1. two all static pressure ring air quantity detectors, this equal static pressure ring are mainly by equal static pressure outer shroud (1), all static pressure outlet (2), threeway (3), fan casing (4), force pipe (5), ponding outlet (6) and U type water column meter (7) are formed; It is characterized in that: this equal static pressure ring has the fan casing (4) of a circle, fan casing (4) is gone up the equally spaced force pipe (5) that four tubulars are installed, every force pipe (5) other end fixedly is connected the middle part of a threeway (3), four threeways (3) two ends are connected to form a circle by pipeline, the equal static pressure outlet (2) of tubulose is installed at the top of equal static pressure ring, the ponding outlet (6) of tubulose is installed in the bottom of equal static pressure ring, and ponding outlet (6) is connected with the U type water column meter (7) of having adorned water.
2. two all static pressure ring air quantity detectors according to claim 1, it is characterized in that: the equal static pressure ring of this pair air quantity detector is that two equal static pressure outer shrouds (1) are installed in respectively on the fan casing (14), the cross-sectional area of the equal static pressure ring of 1# installation site (8) will be far longer than the cross-sectional area of the equal static pressure ring of 2# installation site (9), the equal static pressure outer shroud (1) of the equal static pressure ring of 1# installation site (8) is connected ball valve (10) is received differential pressure transmitter (20) by force pipe (5) "+" end valve, the equal static pressure outer shroud (1) of the equal static pressure ring of 2# installation site (9) is connected ball valve (10) is received differential pressure transmitter (20) by force pipe (5) "-" end valve, output "-" end of differential pressure transmitter (20) is electrically connected " RA " of Programmable Logic Controller 16, " A+ " end, output "+" end is electrically connected "+" end of Switching Power Supply 19, the M end of Programmable Logic Controller (16) is electrically connected "-" end of Switching Power Supply (19), " L-" end of data output device (15) is electrically connected "-" end of Switching Power Supply (19), " L+ " end is electrically connected "+" end of Switching Power Supply (19), display (17) respectively with "+" of Switching Power Supply (19), "-" end is electrically connected, be electrically connected with Programmable Logic Controller (16) by 232 buses (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202552595U CN201555613U (en) | 2009-11-20 | 2009-11-20 | Air quantity detector with double equalized static pressure rings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202552595U CN201555613U (en) | 2009-11-20 | 2009-11-20 | Air quantity detector with double equalized static pressure rings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201555613U true CN201555613U (en) | 2010-08-18 |
Family
ID=42615299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202552595U Expired - Fee Related CN201555613U (en) | 2009-11-20 | 2009-11-20 | Air quantity detector with double equalized static pressure rings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201555613U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103968895A (en) * | 2014-04-22 | 2014-08-06 | 煤科集团沈阳研究院有限公司 | Underground coal mine air volume analyzer and analysis method |
| CN105737913A (en) * | 2016-02-26 | 2016-07-06 | 中钢集团马鞍山矿山研究院有限公司 | Device and method for indirectly measuring air volume of mine air return shaft |
| CN112665871A (en) * | 2020-12-10 | 2021-04-16 | 奇瑞汽车股份有限公司 | System and method for testing air quantity of automobile front end cooling module |
-
2009
- 2009-11-20 CN CN2009202552595U patent/CN201555613U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103968895A (en) * | 2014-04-22 | 2014-08-06 | 煤科集团沈阳研究院有限公司 | Underground coal mine air volume analyzer and analysis method |
| CN103968895B (en) * | 2014-04-22 | 2015-11-04 | 煤科集团沈阳研究院有限公司 | A kind of underground coal mine air quantity analyser and analytical approach |
| CN105737913A (en) * | 2016-02-26 | 2016-07-06 | 中钢集团马鞍山矿山研究院有限公司 | Device and method for indirectly measuring air volume of mine air return shaft |
| CN105737913B (en) * | 2016-02-26 | 2018-11-16 | 中钢集团马鞍山矿山研究院有限公司 | A kind of device and method of indirect determination mine return air well air quantity |
| CN112665871A (en) * | 2020-12-10 | 2021-04-16 | 奇瑞汽车股份有限公司 | System and method for testing air quantity of automobile front end cooling module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100818 Termination date: 20101120 |